|Occasion #|Location|Date|Gold|Time|Silver|Time|Bronze|Time|Report|
|---|---|---|---|---|---|---|---|---|---|
|1|Chelyabinsk, Russia|18 November|Pekka Koskela  Finland|35.00|Jan Smeekens  Netherlands|35.01|Yūya Oikawa  Japan|35.07|[1]|
|1|Chelyabinsk, Russia|19 November|Joji Kato  Japan|34.92|Mo Tae-bum  South Korea|35.01|Yūya Oikawa  Japan|35.14|[2]|
|2|Astana, Kazakhstan|25 November|Mo Tae-bum  South Korea|34.89|Tucker Fredricks  United States|34.94|Stefan Groothuis  Netherlands|35.01|[3]|
|2|Astana, Kazakhstan|26 November|Jan Smeekens  Netherlands|35.05|Mo Tae-bum  South Korea|35.06|Tucker Fredricks  United States|35.19|[4]|
|3|Heerenveen, Netherlands|2 December|Tucker Fredricks  United States|34.98|Joji Kato  Japan|35.07|Mo Tae-bum  South Korea|35.08|[5]|
|3|Heerenveen, Netherlands|3 December|Pekka Koskela  Finland|35.01|Joji Kato  Japan|35.02|Jesper Hospes  Netherlands|35.06|[6]|
|4|Salt Lake City, United States|21 January|Keiichiro Nagashima  Japan|34.37|Jan Smeekens  Netherlands|34.40|Tucker Fredricks  United States|34.45|[7]|
|4|Salt Lake City, United States|22 January|Dmitry Lobkov  Russia|34.54|Keiichiro Nagashima  Japan|34.57|Tucker Fredricks  United States|34.60|[8]|
|6|Heerenveen, Netherlands|2 March|Dmitry Lobkov  Russia|35.11|Hein Otterspeer  Netherlands|35.14|Keiichiro Nagashima  Japan|35.20|[9]|
|6|Heerenveen, Netherlands|3 March|Tucker Fredricks  United States|35.05|Michel Mulder  Netherlands|35.12|Joji Kato  Japan|35.16|[10]|
|7|Berlin, Germany|9 March|Jamie Gregg  Canada|35.06|Pekka Koskela  Finland|35.07|Mo Tae-bum  South Korea|35.17|[11]|
|7|Berlin, Germany|10 March|Michel Mulder  Netherlands|35.01|Mo Tae-bum  South Korea|35.04|Jan Smeekens  Netherlands|35.08|[12]|

Question: how many gold medals have been won by racers from japan?
Answer: 2